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Manuals and User Guides for HP Deskpro EX C850. We have 1 HP Deskpro EX C850 manual available for free PDF download: Technical Reference Manual

HP Deskpro EX C850 Technical Reference Manual

HP Deskpro EX C850 Technical Reference Manual (214 pages)

HP Deskpro EX: Reference Guide

Brand: HP | Category: Desktop | Size: 1.93 MB

Table of Contents

Table of Contents
9
List of Figures
14
List of Tables
16
Chapter 1 Introduction

19
- About this Guide
  19
  - Using this Guide
    19
  - Additional Information Sources
    19
- Model Numbering Convention
  19
- Notational Conventions
  20
  - Values
    20
  - Ranges
    20
  - Signal Labels
    20
  - Register Notation and Usage
    20
  - Bit Notation
    20
- Common Acronyms and Abbreviations
  21
- Table 1-1. Acronyms Anda
  21
Chapter 2 System Overview

25
- Introduction
  25
- Features and Options
  26
  - Standard Features
    26
  - Table 2-1. Feature Difference
    26
  - Options
    27
- Mechanical Design
  28
  - Cabinet Layouts
    29
  - Front Views
    29
  - Chassis Layouts
    31
  - Board Layout
    33
  - Figure 2-6. System Boardl
    33
- Ayout
  33
  - System Architecture
    34
    
    Figure 2-7. Compaq Deskpro
    35
    
    Figure 2-8. Processor Assembly
    36
    
    Processors
    36
    
    Chipset
    38
    
    Support Components
    38
    
    Table 2-2. Chipset Comparison
    38
    
    Table 2-3. Support Component
    38
    
    Mass Storage
    39
    
    Processor/Memory Subsystem
    39
    
    Serial and Parallel Interfaces
    39
    
    System Memory
    39
    
    Universal Serial Bus Interface
    39
    
    Graphics Subsystem
    40
    
    Table 2-4. Graphics Subsystem
    40
    
    Audio Subsystem
    41
  - Specifications
    41
  - Table 2-5. Environmentals
    41
  - Table 2-6. Electricals
    41
  - Table 2-7. Physical Specifications
    42
  - Table 2-8. Diskette Drives
    42
  - Table 2-10. Hard Drives
    43
Chapter 3 Processor/Memory Subsystem

45
- Introduction
  45
- Processor
  45
  - Figure 3-1. Processor /Memory
    45
  - Celeron Processor
    46
  - Figure 3-2. Celeron Processor
    46
  - Table 3-1. Celeron Processor
    46
  - Figure 3-3. Pentium III Processor
    47
  - Pentium III Processor
    47
  - Table 3-2. Pentium III Processor
    47
  - Processor Upgrading
    48
- Ycle
  48
  - Memory Subsystem
    49
  - Figure 3-4. System Memorym
    51
  - Subsystem Configuration
    52
  - Table 3-4. Host /Pci Bridgec
    52
Chapter 4 System Support

53
- Introduction
  53
- Pci Bus Overview
  54
  - Pci Bus Transactions
    55
  - Figure 4-2. Configurationc
    56
  - Table 4-2. System Board Pci D
    57
  - Pci Bus Master Arbitration
    58
  - Option Rom Mapping
    59
  - Pci Interrupts
    59
  - Pci Power Management Support
    59
  - Pci Sub-Busses
    59
  - Pci Configuration
    60
  - Pci Connector
    61
- Agp Bus Overview
  62
  - Bus Transactions
    62
  - Agp Configuration
    65
  - Agp Connector
    66
  - Figure 4-8. Universal Agp Bus
    66
- System Resources
  67
  - Interrupts
    67
    
    Figure 4-9. Maskable Interrupt
    67
    
    Apic Mode
    68
    
    Table 4-8. Maskable Interrupt
    68
    
    Non-Maskable Interrupts
    69
  - Direct Memory Access
    71
  - Table 4-10. Default Dma C
    71
- System Clock Distribution
  74
- Table 4-13. Clock Generation and Table 4-14. Configurationm
  74
- Real-Time Clock and Configuration Memory
  75
  - Clearing Cmos
    75
  - Figure 4-10. Configurationm
    75
  - Cmos Archive and Restore
    76
  - Standard Cmos Locations
    76
- System Management
  85
  - Security Functions
    85
  - Cable Lock Provision
    86
  - Power Management
    87
  - System Status
    87
  - Table 4-15. System Boot /Rom F
    87
  - Temperature Sensing
    88
  - Table 4-16. System Operational
    88
- System Cooling
  89
- Figure 4-11. Fan Control Block
  89
- Register Map and Miscellaneous Functions
  90
- Table
  91
  - Lpc47B357 I/O Controller Functions
    92
- Lpc47B357 Gpio R
  93
Chapter 5 Input/Output Interfaces

95
- Introduction
  95
- Enhanced Ide Interface
  95
  - Ide Programming
    95
  - Ide Connector
    97
- Diskette Drive Interface
  98
  - Diskette Drive Programming
    99
  - Table 5-4. Diskette Drivec
    99
  - Table 5-5. Diskette Drivei
    99
  - Diskette Drive Connector
    101
- Serial Interface
  102
  - Interface
    102
  - Figure 5-3. Serial Interfacec
    102
  - Table 5-7. Db-9 Serial Connector
    102
  - Serial Interface Programming
    103
- Table
  103
  - Table 5-8. Serial Interfacec
    103
  - Table 5-9. Serial Interfacec
    103
  - Parallel Interface
    104
    
    Standard Parallel Port Mode
    104
    
    Enhanced Parallel Port Mode
    105
    
    Extended Capabilities Port Mode
    105
    
    Parallel Interface Programming
    105
    
    Table 5-10. Parallel Interface
    106
- Table
  106
  - Addresses
    106
    
    Parallel Interface Connector
    107
    
    Figure 5-4. Parallel Interface
    107
  - Table 5-11. Parallel Interface
    106
  - Keyboard/Pointing Device Interface
    108
    
    Keyboard Interface Operation
    108
    
    Pointing Device Interface Operation
    110
    
    Keyboard/Pointing Device Interface Programming
    110
- Table
  110
  - Table 5-14. Keyboard Interface
    110
  - Keyboard/Pointing Device Interface Connector
    112
- Table
  112
  - Figure 5-6. Keyboard or Pointing
    113
  - Table 5-16. Keyboard /Pointing
    113
  - Universal Serial Bus Interface
    114
    
    Usb Data Formats
    114
    
    Usb Programming
    116
  - Usb Control R Table
    116
  - Usb Interfacec
    116
- Table
  116
  - Usb Connector
    117
  - Usb Cable Data
    117
  - Figure 5-9. Universal Serialb
    117
- Table
  117
  - Audio Subsystem
    118
    
    Functional Analysis
    118
    
    Figure 5-10. Audio Subsystem
    119
    
    Ac97 Audio Controller
    120
    
    Ac97 Link Bus
    120
    
    Audio Codec
    121
- Ac'97 Audioc
  121
  - Audio Programming
    122
- Table
  122
  - Audio Specifications
    123
  - Table 5-23. Audio Subsystem
    123
  - Network Support
    124
    
    Pci Ver. 2.2 Support
    124
    
    Alert-On-Lan Support
    124
- Aol Events
  124
- Table
  124
  - Remote System Alert Support
    126
  - Figure 5-14. Remote Sensea
    126
  - Table 5-25. Remote Systema
    127
Chapter 6 Embedded Graphics Subsystem

129
- Introduction
  129
  - Feature Summary
    129
- 815-Based Graphics Functional Description
  130
  - Figure 6-1. 815E-Based Graphics
    130
  - Display Modes
    132
  - Table 6-1. Intel Graphicsd
    132
- 815-Based Graphics Programming
  133
- Monitor Power Management Control
  133
- 815-Based Graphics
  133
- Table 6-3. Monitor Powerm
  133
- Table
  133
  - Monitor Connector
    134
  - Upgrading 815-Based Graphics
    134
  - Table 6-4. Db-15 Monitorc
    134
Chapter 7 Power Supply and Distribution

135
- Introduction
  135
- Power Supply Assembly/Control
  135
  - Figure 7-1. Power Distribution and Figure 7-2. Deskpro Ex Dt P
    135
  - Power Supply Assembly
    136
  - Power Control
    137
  - Wake up Events
    138
- Power Distribution
  139
  - 5/12 VDC Distribution
    139
  - Figure 7-3. Deskpro Ex Mt P
    140
  - Low Voltage Distribution
    141
  - Figure 7-4. Low Voltages
    141
- Signal Distribution
  142
- Figure 7-5. Signal Distribution
  142
- Figure 7-6. Header Pinouts
  143
Chapter 8 Bios Rom

146
- Rom Flashing
  146
  - Upgrading
    146
  - Table 8-1. Boot Block Codes
    146
  - Changeable Splash Screen
    147
- Boot Functions
  148
  - Boot Device Order
    148
  - Network Boot (F12) Support
    148
  - Memory Detection and Configuration
    149
  - Boot Error Codes
    149
  - Table 8-2. Boot Error Codes
    149
- Setup Utility
  150
- Table 8-3. Setup Utilityf
  150
- Client Management Functions
  156
  - Table 8-4. Client Management
    156
  - Edid Retrieve
    158
  - System ID and Rom Type
    158
  - Drive Fault Prediction
    159
  - Temperature Status
    159
- Pnp Support
  159
  - Table 8-5. Pnp BIOS Functions
    159
  - Smbios
    160
- Power Management Functions
  161
  - Independent Pm Support
    161
  - System Standby
    162
  - Acpi Support
    163
  - Apm 1.2 Support
    163
- Apm Bios Functions
  164
- System Timer
  165
- Usb Legacy Support
  167
Appendix A Error Messages and Codes

169
- Introduction
  169
- Beep/Keyboard Led Codes
  169
- Table A-1. Beep /Keyboard
  169
  - A.1 Introduction
    169
  - A.2 Beep/Keyboard Led Codes
    169
  - Power-On Self Test (Post) Messages
    170
- Table A-2. Power -O N Selft
  170
  - System Error Messages
    171
- Table A-3. System Errorm
  171
  - Memory Error Messages
    172
  - Keyboard Error Messages
    172
- Table A-4. Memory Errorm
  172
- Table A-5. Keyboard Error
  172
- Table A-6. Printer Errorm
  173
- Table A-7. Video (Graphics ) E
  173
  - Diskette Drive Error Messages
    174
  - Serial Interface Error Messages
    174
- Table A-8. Diskette Drivee
  174
- Table A-9. Serial Interface
  174
- Table A-10. Serial Interface
  174
- Table A-11. System Statuse
  176
- Table A-12. Hard Drive Error
  176
- Table A-13. Hard Drive Error
  176
- Table A-14. Hard Drivem
  177
- Table A-15. Audio Errorm
  178
- Table A-16. DVD/CD-Rom D
  178
- Table A-17. Network Interface
  178
- Table A-18. Scsi Interfacee
  179
- Table A-19. Pointing Device
  179
Appendix B Ascii Character Set

181
- Introduction
  181
- Figure B-1. Ascii Character
  181
- B.1 Introduction
  181
Appendix C Keyboard

183
- Introduction
  183
- C.1 Introduction
  183
- Keystroke Processing
  184
  - C.2 Keystroke Processing
    184
  - Figure C-1. Keystrokep
    184
  - Figure C-2. Ps/2 Keyboard -T
    185
  - Ps/2-Type Keyboard Transmissions
    185
  - Usb-Type Keyboard Transmissions
    186
  - C.2.3 Keyboard Layouts
    187
  - Figure C-3. U.s. English
    187
  - Figure C-4. National
    187
  - Keyboard Layouts
    187
  - Figure C-5. U.s. Englishw
    188
  - Figure C-6. National Windows
    188
  - Figure C-7. 7-Button Easya
    189
  - Figure C-8. 8-Button Easya
    189
  - C.2.4 Keys
    190
  - Keys
    190
    
    C.2.5 Keyboard Commands
    193
    
    C.2.6 Scan Codes
    193
  - Keyboard Commands
    193
  - Scan Codes
    193
- Connectors
  198
- Figure C-9. Ps/2 Keyboardc
  198
- Figure C-10. Usb Keyboard
  198
- C.3 Connectors
  198
- Figure D-1. Compaq /Nvidia
  199
- D.1 Introduction
  199
Appendix D Compaq/Nvidia Vanta Lt Agp Graphics Card

200
- Functional Description
  200
- Figure D-2. Compaq /Nvidia
  200
- D.2 Functional Description
  200
- Display Modes
  201
- D.3 Display Modes
  201
- Software Support Information
  202
- D.5 Power Management and Consumption
  202
- Connectors
  203
  - Monitor Connector
    203
    
    D.6 Connectors
    203
    
    D.6.1 Monitor Connector
    203
    
    Figure D-3. Vga Monitorc
    203
Appendix E Compaq/Nvidia M64 Graphics Card

205
- Introduction
  205
- Figure E-1. Compaq
  205
- Figure E-2. Compaq
  205
- E.1 Introduction
  205
- Functional Description
  206
- E.2 Functional Description
  206
- Display Modes
  207
- Table E-1. Nvidia M64 2D G
  207
  - Software Support Information
    208
- Table E-2. Monitor Power
  208
  - Connectors
    209
    
    Monitor Connector
    209
    
    Figure E-3. Vga Monitorc
    209
- Table E-3. Db-15 Monitor
  209
  - E.6 Connectors
    209
  - E.6.2 Monitor Connector
    209
  - Figure E-4. Video Interfacec
    210
  - Video Interface Connector
    210
- Table E-4. Multimediai
  210

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